Will not start after replacing serpentine belt

Tiny
LAURADUNCAN10
  • MEMBER
  • 2005 SCION TC
  • 130,000 MILES
I have replaced my serpentine belt, after replacing the belt, my car will turn over, but it wont start. The belt didn't break so it didn't flop around and knock anything loose. I've only checked the fuses. What else should I check?
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Tuesday, July 9th, 2019 AT 7:27 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Welcome to 2CarPros.

Because of location, the first thing I would check is the crankshaft position sensor to make sure nothing was accidentally disconnected. See picture 1. I highlighted the wiring and sensor and as you will see, it is right behind the belt.

Next, if that is connected, I need you to check to see if you are getting spark and fuel to the engine. Here are a couple links to help:

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/how-to-test-an-ignition-system

I always cheat and just see if it starts for a couple seconds using starting fluid. If it does and then stalls, the problem is fuel related. If it doesn't even try to start using starting fluid, then it is an ignition related issue (no spark to plugs).

Check these few things and let me know what you find or if you have other questions. Again, when checking the sensor, make sure none of the connections were loosened or damaged.

Take care,
Joe
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Tuesday, July 9th, 2019 AT 8:54 PM
Tiny
LAURADUNCAN10
  • MEMBER
When I get to work I will try that and let you know. Thank you very much.
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Wednesday, July 10th, 2019 AT 4:02 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Not a problem. Let me know what you find. Also, I have a feeling if you check for spark to the plugs, there isn't any. Here is a quick link showing how to check:

https://www.2carpros.com/articles/how-to-test-an-ignition-system

Let me know what you find.

Joe
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Wednesday, July 10th, 2019 AT 8:09 PM

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